2.400 Å
X-ray
2009-09-06
| Name: | Pteridine reductase, putative |
|---|---|
| ID: | Q581W1_TRYB2 |
| AC: | Q581W1 |
| Organism: | Trypanosoma brucei brucei |
| Reign: | Eukaryota |
| TaxID: | 185431 |
| EC Number: | / |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| B | 100 % |
| B-Factor: | 7.416 |
|---|---|
| Number of residues: | 23 |
| Including | |
| Standard Amino Acids: | 22 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 0 |
| Cofactors: | NAP |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 0.966 | 1029.375 |
| % Hydrophobic | % Polar |
|---|---|
| 43.61 | 56.39 |
| According to VolSite | |

| HET Code: | DX6 |
|---|---|
| Formula: | C14H14N4O |
| Molecular weight: | 254.287 g/mol |
| DrugBank ID: | - |
| Buried Surface Area: | 71.23 % |
| Polar Surface area: | 83.27 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 3 |
| H-Bond Donors: | 3 |
| Rings: | 3 |
| Aromatic rings: | 2 |
| Anionic atoms: | 0 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 3 |
| X | Y | Z |
|---|---|---|
| 36.9372 | 14.1426 | 32.594 |
Image generated by PoseView
Represent the protein/ligand binding mode, centered on the ligand
Dashed lines represents hydrogen bonds and metal interactions
Green residue labels for amino acids with hydrophobic contacts (green lines) to the ligand
| Ligand | Protein | Interaction | |||
|---|---|---|---|---|---|
| Atom | Atom | Residue | Distance (Å) | Angle (°) | Type |
| NAA | OG | SER- 95 | 2.95 | 167.72 | H-Bond (Ligand Donor) |
| CAJ | CE1 | PHE- 97 | 4.34 | 0 | Hydrophobic |
| DuAr | DuAr | PHE- 97 | 3.66 | 0 | Aromatic Face/Face |
| CAD | SG | CYS- 168 | 3.42 | 0 | Hydrophobic |
| NAL | OH | TYR- 174 | 2.71 | 153.3 | H-Bond (Ligand Donor) |
| CAG | CD2 | LEU- 209 | 3.58 | 0 | Hydrophobic |
| CAE | CE | MET- 213 | 3.58 | 0 | Hydrophobic |
| CAC | CZ2 | TRP- 221 | 3.5 | 0 | Hydrophobic |
| CAI | C4N | NAP- 269 | 4.05 | 0 | Hydrophobic |
| CAJ | C3N | NAP- 269 | 4.05 | 0 | Hydrophobic |
| NAM | O2A | NAP- 269 | 2.61 | 151.72 | H-Bond (Ligand Donor) |
| NAA | O2A | NAP- 269 | 2.98 | 134.26 | H-Bond (Ligand Donor) |